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Schedule of assumptions used to calculate Black-Scholes option pricing model for options granted (Details) - $ / shares
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Share-Based Payment Arrangement [Abstract]    
Weighted-average risk-free interest rates 3.50% 1.40%
Dividend yield 0.00% 0.00%
Weighted-average expected life (years) of the option 5 years 5 years
Weighted-average expected stock price volatility 116.00% 115.00%
Weighted-average fair value of the options granted $ 0.97 $ 2.59